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<p>[QUOTE=&quot;fatima, post: 1076343, member: 22143&quot;]Silver usage in modern electronics is almost non-existent.&nbsp; The vast majority of the metal used is either copper, aluminum, tin, and lead with an extremely small amount of gold used to improve connectivity.&nbsp; The reason that gold is preferred over silver as a PM in electronics is that it does not react with oxygen.&nbsp; Silver tarnish is not very conductive.</p><p><br /></p><p>Where silver did see an uptick in usage is in solder used in home plumbing.&nbsp;&nbsp; At one time common tin lead solder was used to solder copper plumbing.&nbsp; This was changed to silver solder (solder replaces lead) due to fears of the lead leeching into the water and causing issues with lead poisoning.&nbsp;&nbsp; This is why they tell you to run the water in older houses to flush it out before drinking from it.&nbsp;&nbsp; If you ever decide to solder your own pipes, it&#039;s important to buy silver solder and not tin/led solder which is still used on wiring.&nbsp;&nbsp; (due to cost)[/QUOTE]</p><p><br /></p>

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